Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/407
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dc.contributor.authorStojadinović, Stevanen_US
dc.contributor.authorJovović, Jovicaen_US
dc.contributor.authorPetković, M.en_US
dc.contributor.authorVasilić, Rastkoen_US
dc.contributor.authorKonjević, N.en_US
dc.date.accessioned2022-07-12T15:26:17Z-
dc.date.available2022-07-12T15:26:17Z-
dc.date.issued2011-09-25-
dc.identifier.issn0257-8972en
dc.identifier.urihttps://physrep.ff.bg.ac.rs/handle/123456789/407-
dc.description.abstractWe present the results of plasma electrolytic oxidation (PEO) of tantalum in 12-tungstosilicic acid at 70mA/cm2. For the characterization real-time imaging and optical emission spectroscopy (OES) were used. It has been detected that relatively small microdischarges (cross-sectional area<0.1mm2) are dominant throughout the PEO, while the presence of medium-size microdischarges (cross-sectional area from 0.1mm2 to 0.2mm2) and large microdischarges (cross-sectional area>0.2mm2) become noticeable only at later times of PEO. The elements and their singly charged positive ions present in PEO microdischarges are identified using standard OES technique. The spectral line shape analysis of first two hydrogen Balmer lines shows presence of two microdischarges during PEO. These discharges characterize relatively low electron number densities Ne≈0.9×1015cm-3 and at Ne≈2.2×1016cm-3. A simple OES technique was introduced to test optical thickness of hydrogen Balmer lines emitted during PEO process. © 2011 Elsevier B.V.en
dc.relation.ispartofSurface and Coatings Technologyen
dc.subjectOptical emission spectroscopyen
dc.subjectPlasma electrolytic oxidation (PEO)en
dc.subjectSpectral line shapes and intensitiesen
dc.subjectTantalumen
dc.titleSpectroscopic and real-time imaging investigation of tantalum plasma electrolytic oxidation (PEO)en_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.surfcoat.2011.06.013-
dc.identifier.scopus2-s2.0-79960700681-
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/79960700681-
dc.relation.issue23-24en
dc.relation.volume205en
dc.relation.firstpage5406en
dc.relation.lastpage5413en
item.grantfulltextnone-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
crisitem.author.orcid0000-0002-6589-6296-
crisitem.author.orcid0000-0001-8446-1426-
crisitem.author.orcid0000-0003-2476-7516-
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